Journal of Pressure Vessel Technology: Recent submissions
Now showing items 2561-2580 of 4506
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Stress and Fatigue Life Modeling of Cannon Breech Closures Including Effects of Material Strength and Residual Stress
(The American Society of Mechanical Engineers (ASME), 2001)Laboratory fatigue life results are summarized from several test series of high-strength steel cannon breech closure assemblies pressurized by rapid application of hydraulic oil. The tests were ... -
Yield Criteria for the Elastic-Plastic Design of Tubesheets With Triangular Penetration Pattern
(The American Society of Mechanical Engineers (ASME), 2001)To perform an elastic-plastic finite element analysis of a tubesheet, the anisotropic stiffness and yield properties of the perforated region are represented by an equivalent solid plate. Traditional ... -
External Longitudinal Flaws in Pipes Under Complex Loading
(The American Society of Mechanical Engineers (ASME), 2001)A round pipe with an external longitudinal surface flaw is assumed to be subjected to different types of elementary hoop stress distributions acting perpendicular to the crack faces. The stress ... -
An Improved Analytical Method for Life Prediction of Bolting
(The American Society of Mechanical Engineers (ASME), 2001)A research project was conducted to develop and validate an improved, analytical life prediction method for high-temperature turbine and valve studs/bolts. The life prediction method used the ... -
Elevated-Temperature Mechanical Properties of an Advanced-Type 316 Stainless Steel1
(The American Society of Mechanical Engineers (ASME), 2001)Type 316FR stainless steel is a candidate material for the Japanese demonstration fast breeder reactor plant to be built in Japan early in the next century. Like type 316L(N), it is a ... -
Plastic Coupling and Stress Relaxation During Nonproportional Axial-Shear Strain-Controlled Loading
(The American Society of Mechanical Engineers (ASME), 2001)A nonproportional strain-controlled load path consisting of two segments was applied to the cobalt-based alloy Haynes 188 at 650°C. The first segment was purely axial; the axial strain was ... -
Study on Creep-Fatigue Damage Evaluation for Boiler Weldment Parts
(The American Society of Mechanical Engineers (ASME), 2001)Creep-fatigue tests on the heat-affected zone(HAZ) simulated materials, base metal, weld metal and weld joint of 2.25Cr-1Mo steel, and elastic-plastic and creep FEM analysis for the weld joint ... -
The TransAlta High-Energy Piping Program—A Five-Year History
(The American Society of Mechanical Engineers (ASME), 2001)In 1995, the High-Energy Piping Strategic Management Plan (HEPSMP) was initiated at TransAlta Utilities Corporation (TAU) for the three generating facilities. At that time, it was recognized that ... -
High-Temperature Oxidation Behavior of 214Cr-1Mo Steel in Air–Part 2: Scale Growth, Metal Loss Kinetics, and Stress Enhancement Factors During Creep Testing
(The American Society of Mechanical Engineers (ASME), 2001)The oxide-scale growth and metal loss kinetics during oxidation in air of 2 1/4 Cr-1 Mo steel were studied at 600, 700, and 800°C for times up to 1000 h, with cylindrical specimens ... -
Life Prediction and Monitoring of Nuclear Power Plant Components for Service-Related Degradation
(The American Society of Mechanical Engineers (ASME), 2001)This paper describes industry programs to manage structural degradation and to justify continued operation of nuclear components when unexpected degradation has been encountered due to design ... -
High-Temperature Oxidation Behavior of 214Cr-1Mo Steel in Air—Part 1: Gain of Mass Kinetics and Characterization of the Oxide Scale
(The American Society of Mechanical Engineers (ASME), 2001)The oxidation behavior of 214Cr-1Mo steel was studied at 600, 700 and 800°C for a sequence of times up to 1000 h, using cylindrical specimens of the material, similar to testpieces used ... -
Analysis of Small Edge Cracks and Its Implications to Multiaxial Fatigue Theories
(The American Society of Mechanical Engineers (ASME), 2001)The near-tip fields of small edge (Case B) cracks in power-law hardening materials are investigated under generalized plane strain, mixed mode, and general yielding conditions by finite element ... -
Shallow Flaws Under Biaxial Loading Conditions—Part I: The Effect of Specimen Size on Fracture Toughness Values Obtained From Large-Scale Cruciform Specimens1
(The American Society of Mechanical Engineers (ASME), 2001)A technology to determine shallow-flaw fracture toughness of reactor pressure vessel (RPV) steels is being developed. This technology is for application to the safety assessment of RPVs containing ... -
Special Issue on Challenges and Resolutions in Structural Life Prediction
(The American Society of Mechanical Engineers (ASME), 2001)Predicting the useful service life of components, be it structural or electronic, is of significant importance to existing and advanced technologies. Needless to say, this topic is of great ... -
Nonlinear Analysis of Pipe Bends Subjected to Out-of-Plane Moment Loading and Internal Pressure
(The American Society of Mechanical Engineers (ASME), 2001)The behavior of a pipe bend, with bend factor h=0.1615(D=16 in.,R=24 in. and t=0.41 in.), subjected to out-of-plane bending and internal pressure is studied, taking geometric and material ... -
Estimates of Crack-Driving Force in Surface-Cracked Elbows
(The American Society of Mechanical Engineers (ASME), 2001)The objective of this effort was to assess whether a simple relationship could be developed between the behavior of surface cracks in straight pipe and in elbows. If such a geometric relationship ... -
Evaluation Procedures for Irradiation Effects and Sodium Environmental Effects for the Structural Design of Japanese Fast Breeder Reactors
(The American Society of Mechanical Engineers (ASME), 2001)In the structural design of fast breeder reactors, irradiation effects and sodium environmental effects on structural materials have to be taken into account. In this paper, firstly, an evaluation ... -
Developments in Flaw Evaluation for CANDU Reactor Zr-Nb Pressure Tubes
(The American Society of Mechanical Engineers (ASME), 2001)Delayed hydride cracking (DHC) in Zr-2.5Nb alloy material is of interest to the CANDU (CANada Deuterium Uranium) industry in the context of the potential to initiate DHC at a blunt flaw in ... -
Shallow Flaws Under Biaxial Loading Conditions—Part II: Application of a Weibull Stress Analysis of the Cruciform Bend Specimen Using a Hydrostatic Stress Criterion1
(The American Society of Mechanical Engineers (ASME), 2001)Cruciform beam fracture mechanics specimens have been developed in the Heavy Section Steel Technology Program at Oak Ridge National Laboratory to introduce a prototypic, far-field, out-of-plane ... -
Numerical Simulation of Mechanical Effects in Composite Structures by the Finite Element Method
(The American Society of Mechanical Engineers (ASME), 2001)In electromagnetic railgun experiments at ISL, the composite projectiles are accelerated up to 2000 m/s with a maximal acceleration of 7×106 m/s2. The maximum forces typically will have ...